Gold prices hit $4,000 an ounce for the first time Tuesday as investors piled into the precious metal at a time of stubborn inflation, a lingering government shutdown and deepening geopolitical risks.Gold futures briefly touched$4,005.80 before settling just below the milestone on Tuesday morning.Prices have soared more than 50% this year, fueled by fears of a prolonged funding crisis in Washington and President Donald Trump’s escalating trade clashes with China and the European Union. 4 Gold prices hit ...